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Chapter 4
Example
CURBUG MAX
CURBUG 1
CURBUG?
FCRW(?) { LIne | NARrow | WIde | i }
The
FCRW i
This command is the same as pressing
Example
FCRW NAR
FCRW 1
FCRW?
SCRY? [ DAT1 | DAT2 | DAT3 | DAT4 | STATus | j ]
The
SCRY? j
The value of j (0–3) corresponds to the
DAT4
overload or unlock at the cursor positon. The cursor is only available when the strip chart
is paused.
The status response encodes three distinct sources that cause the violet error mark to
appear at the bottom of the strip chart display:
Example
SCRY? DAT2
SCRY? STATUS
CURDATTIM?
The
CURDATTIM?
string. This string is in the format
In this example, the date is 28 April 2014, and the time is 14:25:35.96 (2:25 PM).
Performing the
parameter range error.
Set cursor readout to maximum value
Returns the cursor readout mode i
command sets the cursor width to line (i=0), narrow (i=1) or wide (i=2).
Set the cursor to narrow
Returns the cursor width i
query returns the strip chart cursor value of data channel j.
(orange) data channels. Querying
Bit
Weight
Definition
0
1
Timebase error
1
2
External reference unlock
2
4
Signal overload
3
8
Sync filter error
Returns the cursor value of data channel 2 (blue)
Returns the error status for the current cursor position
query returns the strip chart cursor horizontal date and time as a
28Apr14,14:25:35.96
CURDATTIM?
in the horizontal scale palette.
DAT1
(green),
SCRY? STAT
query when the display is not paused generates a
Programming
DAT2
(blue),
DAT3
(yellow) and
(j=4) returns 0 if there is no
SR865A DSP Lock-in Amplifier
123
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